/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: fzykd
 * Date: 2023-05-11
 * Time: 16:27
 */

//灯光
public class Lighting {

    private static Lighting instance = new Lighting();

    public static Lighting getInstance(){
        return instance;
    }


    public void on(){
        System.out.println(" 打开灯光 ");
    }

    public void off(){
        System.out.println("关闭灯光");
    }

    public void dim(){
        System.out.println("灯光调的更暗");
    }
    public void bright(){
        System.out.println("灯光调的更亮");
    }
}
